It's a requirement to reach the levels they have reached. Someone with empathy would get enough money to take care of their family (maybe even for multiple generations) and then be satisfied and focus on reducing the suffering of others instead of running up the score on net worth

I mean, after I racked up a two digit number of milions of dollars I believe I'd find myself thinking "why the fuck do I need more, it's time to go fuck off and do anything else".

Musk at one time said something like "I work 80+ hours a week, so the people around me should work that much too". They are completely blind to how sociopathic they are. It's a totally unhealthy amount to work for one, but for two is Musk himself will likely earn billions from those workweeks while the people around him will earn almost nothing except stress and then getting randomly fired by him on a whim.

They are not connected to the same world we are.